c6b24d4d3c7e70c5c910fac034d37970b319336c
[ffmpeg.git] / libavcodec / ra288.h
1 /*
2  * RealAudio 2.0 (28.8K)
3  * Copyright (c) 2003 the ffmpeg project
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 #ifndef FFMPEG_RA288_H
23 #define FFMPEG_RA288_H
24
25 static const float amptable[8]={
26      0.515625,  0.90234375,  1.57910156,  2.76342773,
27     -0.515625, -0.90234375, -1.57910156, -2.76342773
28 };
29
30 static const float codetable[128][5]={
31 { 0.326171875,   -1.4404296875,  -0.6123046875,  -0.8740234375,  -1.24658203125},
32 {-2.45703125,    -2.23486328125, -0.51025390625,  1.419921875,    1.6201171875 },
33 {-1.37646484375, -1.30712890625, -0.462890625,   -1.37939453125, -2.1728515625 },
34 {-3.26123046875, -0.166015625,    0.7236328125,  -0.623046875,    0.6162109375 },
35 {-0.2744140625,  -3.29931640625,  0.62548828125,  0.08740234375, -0.6220703125 },
36 {-1.2265625,     -3.4814453125,  -2.40478515625,  3.37548828125,  1.17724609375},
37 {-1.2099609375,  -0.076171875,    2.28662109375, -1.89111328125,  0            },
38 {-4.0078125,      1.044921875,   -0.2333984375,  -1.35986328125,  0.26025390625},
39 { 0.92236328125,  1.34716796875,  0.67431640625, -3.39599609375, -2.88720703125},
40 { 2.4814453125,  -1.201171875,   -2.8212890625,   0.87744140625,  0.27734375   },
41 {-1.078125,      -1.61572265625, -2.20849609375, -3.044921875,   -3.66455078125},
42 {-1.32763671875,  2.1279296875,  -1.458984375,   -0.56103515625,  1.30078125   },
43 { 0.61474609375,  0.48583984375,  1.32373046875, -1.203125,      -5.0732421875 },
44 { 0.8408203125,  -3.69580078125, -1.3388671875,   1.06005859375, -1.13720703125},
45 { 0.50390625,     0.36474609375, -0.4189453125,  -3.8798828125,  -6.27099609375},
46 { 1.5166015625,   2.37109375,    -2.04736328125, -1.24072265625,  0.50537109375},
47 { 0.9091796875,  -0.46875,       -3.236328125,    0.2001953125,   2.8720703125 },
48 {-1.21728515625, -1.283203125,   -1.953125,      -0.029296875,    3.5166015625 },
49 {-1.3046875,      0.7060546875,   0.75,          -1.87060546875,  0.60205078125},
50 {-2.5888671875,   3.375,          0.77587890625, -2.04443359375,  1.78955078125},
51 {-1.6875,        -3.9892578125,  -3.76416015625,  0.67578125,     2.2939453125 },
52 {-2.29443359375, -3.03173828125, -5.45703125,     3.95703125,     8.2177734375 },
53 { 0.4541015625,   3.419921875,    0.61962890625, -4.38330078125,  1.25341796875},
54 { 2.27001953125,  5.763671875,    1.68017578125, -2.76220703125,  0.58544921875},
55 { 1.2412109375,  -0.08935546875, -4.32568359375, -3.89453125,     1.5771484375 },
56 {-1.40234375,    -0.98193359375, -4.74267578125, -4.09423828125,  6.33935546875},
57 { 1.5068359375,   1.044921875,   -1.796875,      -4.70849609375, -1.4140625    },
58 {-3.71533203125,  3.18115234375, -1.11474609375, -1.2314453125,   3.091796875  },
59 {-1.62744140625, -2.744140625,   -4.4580078125,  -5.43505859375,  2.70654296875},
60 {-0.19873046875, -3.28173828125, -8.5283203125,  -1.41064453125,  5.6484375    },
61 { 1.802734375,    3.318359375,   -0.1279296875,  -5.2958984375,  -0.90625      },
62 { 3.55224609375,  6.544921875,   -1.45947265625, -5.17333984375,  2.41015625   },
63 { 0.119140625,   -1.08349609375,  1.296875,       1.84375,       -2.642578125  },
64 {-1.97412109375, -2.8974609375,   1.04052734375,  0.42138671875, -1.3994140625 },
65 {-1.6123046875,   0.85107421875, -0.9794921875,  -0.0625,        -1.001953125  },
66 {-3.10595703125,  1.6318359375,  -0.77294921875, -0.01025390625,  0.5576171875 },
67 {-1.87353515625, -0.89404296875,  3.12353515625,  1.24267578125, -1.390625     },
68 {-4.556640625,   -3.1875,         2.59228515625,  0.9697265625,  -1.09619140625},
69 {-2.1923828125,   0.365234375,    0.94482421875, -1.47802734375, -0.24072265625},
70 {-4.51904296875,  2.6201171875,   1.55908203125, -2.19384765625,  0.87109375   },
71 { 2.3359375,     -0.1806640625,   0.9111328125,   0.51611328125, -0.92236328125},
72 { 3.5849609375,  -1.3134765625,  -1.25830078125,  0.330078125,   -0.29833984375},
73 {-0.2451171875,   1.09130859375, -0.9033203125,  -0.86767578125, -1.00048828125},
74 { 0.49365234375,  1.89453125,    -1.20361328125,  1.07861328125, -0.07421875   },
75 { 1.265625,       1.38134765625,  2.728515625,    1.38623046875, -3.5673828125 },
76 {-1.48876953125, -2.4013671875,   2.90771484375,  4.49267578125, -2.17138671875},
77 { 0.34033203125,  1.908203125,    2.8310546875,  -2.17333984375, -2.267578125  },
78 {-1.03564453125,  2.658203125,   -1.2548828125,   0.15673828125, -0.5869140625 },
79 { 1.3896484375,  -1.0185546875,   1.724609375,    0.2763671875,  -0.345703125  },
80 {-2.08935546875,  0.4638671875,   2.431640625,    1.83056640625,  0.220703125  },
81 {-1.212890625,    1.7099609375,   0.83935546875, -0.0830078125,   0.1162109375 },
82 {-1.67724609375,  0.12841796875,  1.0322265625,  -0.97900390625,  1.15283203125},
83 {-3.5830078125,  -0.58984375,     4.56396484375, -0.59375,       -1.95947265625},
84 {-6.5908203125,  -0.21435546875,  3.919921875,   -2.06640625,     0.17626953125},
85 {-1.82080078125,  2.65283203125,  0.978515625,   -2.30810546875, -0.61474609375},
86 {-1.9462890625,   3.78076171875,  4.11572265625, -1.80224609375, -0.48193359375},
87 { 2.5380859375,  -0.20654296875,  0.5615234375,  -0.62548828125,  0.3984375    },
88 { 3.61767578125,  2.00634765625, -1.92822265625,  1.3134765625, 0.0146484384313},
89 { 0.6083984375,   1.49169921875, -0.01708984375, -0.6689453125,  -0.1201171875 },
90 {-0.72705078125,  2.75146484375, -0.3310546875,  -1.28271484375,  1.5478515625 },
91 { 2.3583984375,  -2.23876953125,  0.98046875,    -0.5185546875,   0.39013671875},
92 {-0.06298828125,  0.35009765625,  2.2431640625,   7.29345703125,  5.2275390625 },
93 { 0.20361328125,  1.34716796875,  0.9033203125,  -2.46923828125, -0.56298828125},
94 {-1.89794921875,  3.59423828125, -2.81640625,     2.09228515625,  0.3251953125 },
95 { 0.70458984375, -0.4580078125,   0.009765625,   -1.03466796875, -0.82861328125},
96 {-1.8125,        -1.6611328125,  -1.080078125,    0.0537109375,   1.04296875   },
97 {-1.44140625,     0.005859375,   -0.765625,      -1.708984375,   -0.90576171875},
98 {-0.64208984375, -0.84521484375,  0.56640625,    -0.2724609375,   0.83447265625},
99 { 0.04296875,    -2.23095703125,  0.0947265625,  -0.2216796875,  -1.44384765625},
100 {-1.38623046875, -0.8134765625,  -0.13330078125,  1.017578125,   -0.07568359375},
101 {-0.09228515625, -1.16015625,     0.81201171875, -0.5078125,     -1.19580078125},
102 {-1.3876953125,  -0.66845703125,  0.310546875,   -0.12109375,    -1.30712890625},
103 { 0.74072265625,  0.03857421875, -1.47119140625, -1.79150390625, -0.47509765625},
104 { 0.93408203125, -1.21728515625, -2.59375,       -0.36572265625,  0.62060546875},
105 {-1.41748046875, -1.623046875,   -1.833984375,   -1.8017578125,  -0.89306640625},
106 {-1.42236328125, -0.75537109375, -1.34765625,    -0.6865234375,   0.548828125  },
107 { 0.900390625,   -0.8955078125,   0.22265625,     0.3447265625,  -2.0859375    },
108 { 0.22802734375, -2.078125,      -0.93212890625,  0.74267578125,  0.5537109375 },
109 {-0.06201171875, -0.4853515625,  -0.31103515625, -0.72802734375, -3.1708984375 },
110 { 0.42626953125, -0.99853515625, -1.869140625,   -1.36328125,    -0.2822265625 },
111 { 1.12841796875, -0.88720703125,  1.28515625,    -1.490234375,    0.9609375    },
112 { 0.31298828125,  0.5830078125,   0.92431640625,  2.00537109375,  3.0966796875 },
113 {-0.02197265625,  0.5849609375,   1.0546875,     -0.70751953125,  1.07568359375},
114 {-0.978515625,    0.83642578125,  1.7177734375,   1.294921875,    2.07568359375},
115 { 1.43359375,    -1.9375,         0.625,          0.06396484375, -0.720703125  },
116 { 1.38037109375,  0.00390625,    -0.94140625,     1.2978515625,   1.71533203125},
117 { 1.56201171875, -0.3984375,      1.31201171875, -0.85009765625, -0.68701171875},
118 { 1.439453125,    1.96728515625,  0.1923828125,  -0.12353515625,  0.6337890625 },
119 { 2.0927734375,   0.02490234375, -2.20068359375, -0.015625,      -0.32177734375},
120 { 1.90576171875,  2.7568359375,  -2.728515625,   -1.265625,       2.78662109375},
121 {-0.2958984375,   0.6025390625,  -0.78466796875, -2.53271484375,  0.32421875   },
122 {-0.25634765625,  1.767578125,   -1.0703125,     -1.23388671875,  0.83349609375},
123 { 2.09814453125, -1.58740234375, -1.11474609375,  0.396484375,   -1.10546875   },
124 { 2.81494140625,  0.2578125,     -1.60498046875,  0.66015625,     0.81640625   },
125 { 1.33544921875,  0.60595703125, -0.53857421875, -1.59814453125, -1.66357421875},
126 { 1.96923828125,  0.8046875,     -1.44775390625, -0.5732421875,   0.705078125  },
127 { 0.0361328125,   0.4482421875,   0.97607421875,  0.44677734375, -0.5009765625 },
128 {-1.21875,       -0.78369140625,  0.9931640625,   1.4404296875,   0.11181640625},
129 {-1.05859375,     0.99462890625,0.00732421921566,-0.6171875,     -0.1015625    },
130 {-1.734375,       0.7470703125,   0.28369140625,  0.72802734375,  0.4697265625 },
131 {-1.27587890625, -1.1416015625,   1.76806640625, -0.7265625,     -1.06689453125},
132 {-0.85302734375,  0.03955078125,  2.7041015625,   0.69921875,    -1.10205078125},
133 {-0.49755859375,  0.42333984375,  0.1044921875,  -1.115234375,   -0.7373046875 },
134 {-0.822265625,    1.375,         -0.11181640625,  1.24560546875, -0.67822265625},
135 { 1.32177734375,  0.24609375,     0.23388671875,  1.35888671875, -0.49267578125},
136 { 1.22900390625, -0.72607421875, -0.779296875,    0.30322265625,  0.94189453125},
137 {-0.072265625,    1.0771484375,  -2.09375,        0.630859375,   -0.68408203125},
138 {-0.25732421875,  0.60693359375, -1.33349609375,  0.93212890625,  0.625        },
139 { 1.04931640625, -0.73291015625,  1.80078125,     0.2978515625,  -2.24169921875},
140 { 1.6142578125,  -1.64501953125,  0.91552734375,  1.775390625,   -0.59423828125},
141 { 1.2568359375,   1.22705078125,  0.70751953125, -1.5009765625,  -2.43115234375},
142 { 0.3974609375,   0.8916015625,  -1.21923828125,  2.0673828125,  -1.99072265625},
143 { 0.8125,        -0.107421875,    1.6689453125,   0.4892578125,   0.54443359375},
144 { 0.38134765625,  0.8095703125,   1.91357421875,  2.9931640625,   1.533203125  },
145 { 0.560546875,    1.98486328125,  0.740234375,    0.39794921875,  0.09716796875},
146 { 0.58154296875,  1.21533203125,  1.25048828125,  1.18212890625,  1.19287109375},
147 { 0.3759765625,  -2.88818359375,  2.69287109375, -0.1796875,     -1.56201171875},
148 { 0.5810546875,   0.51123046875,  1.8271484375,   3.38232421875, -1.02001953125},
149 { 0.142578125,    1.51318359375,  2.103515625,   -0.3701171875,  -1.19873046875},
150 { 0.25537109375,  1.91455078125,  1.974609375,    0.6767578125,   0.04150390625},
151 { 2.13232421875,  0.4912109375,  -0.611328125,   -0.7158203125,  -0.67529296875},
152 { 1.880859375,    0.77099609375, -0.03759765625,  1.0078125,      0.423828125  },
153 { 2.49462890625,  1.42529296875, -0.0986328125,   0.17529296875, -0.24853515625},
154 { 1.7822265625,   1.5654296875,   1.12451171875,  0.82666015625,  0.6328125    },
155 { 1.41845703125, -1.90771484375,  0.11181640625, -0.583984375,   -1.138671875  },
156 { 2.91845703125, -1.75048828125,  0.39306640625,  1.86767578125, -1.5322265625 },
157 { 1.8291015625,  -0.2958984375,   0.02587890625, -0.13134765625, -1.61181640625},
158 { 0.2958984375,   0.9853515625,  -0.642578125,    1.984375,       0.1943359375 }
159 };
160
161 static const float syn_window[111]={
162   0.576690972, 0.580838025, 0.585013986, 0.589219987, 0.59345597,  0.597723007,
163   0.602020264, 0.606384277, 0.610748291, 0.615142822, 0.619598389, 0.624084473,
164   0.628570557, 0.633117676, 0.637695313, 0.642272949, 0.646911621, 0.651580811,
165   0.656280518, 0.66104126,  0.665802002, 0.670593262, 0.675445557, 0.680328369,
166   0.685241699, 0.690185547, 0.695159912, 0.700164795, 0.705230713, 0.710327148,
167   0.715454102, 0.720611572, 0.725830078, 0.731048584, 0.736328125, 0.741638184,
168   0.747009277, 0.752380371, 0.7578125,   0.763305664, 0.768798828, 0.774353027,
169   0.779937744, 0.785583496, 0.791229248, 0.796936035, 0.802703857, 0.808502197,
170   0.814331055, 0.820220947, 0.826141357, 0.832092285, 0.838104248, 0.844146729,
171   0.850250244, 0.856384277, 0.862548828, 0.868774414, 0.875061035, 0.881378174,
172   0.88772583,  0.894134521, 0.900604248, 0.907104492, 0.913635254, 0.920227051,
173   0.926879883, 0.933563232, 0.940307617, 0.94708252,  0.953918457, 0.96081543,
174   0.96774292,  0.974731445, 0.981781006, 0.988861084, 0.994842529, 0.998565674,
175   0.999969482, 0.99911499,  0.996002197, 0.990600586, 0.982910156, 0.973022461,
176   0.960876465, 0.946533203, 0.930053711, 0.911437988, 0.89074707,  0.868041992,
177   0.843322754, 0.816680908, 0.788208008, 0.757904053, 0.725891113, 0.692199707,
178   0.656921387, 0.620178223, 0.582000732, 0.542480469, 0.501739502, 0.459838867,
179   0.416900635, 0.373016357, 0.328277588, 0.282775879, 0.236663818, 0.189971924,
180   0.142852783, 0.0954284668,0.0477600098
181 };
182
183 static const float gain_window[38]={
184   0.505699992, 0.524200022, 0.54339999,  0.563300014, 0.583953857, 0.60534668,
185   0.627502441, 0.650482178, 0.674316406, 0.699005127, 0.724578857, 0.75112915,
186   0.778625488, 0.807128906, 0.836669922, 0.86730957,  0.899078369, 0.932006836,
187   0.961486816, 0.982757568, 0.995635986, 1,           0.995819092, 0.983154297,
188   0.96206665,  0.932769775, 0.895507813, 0.850585938, 0.798400879, 0.739379883,
189   0.674072266, 0.602996826, 0.526763916, 0.446014404, 0.361480713, 0.273834229,
190   0.183868408, 0.0923461914
191 };
192
193 /** Synthesis bandwidth broadening table */
194 static const float syn_bw_tab[36]={
195   0.98828125,  0.976699829, 0.965254128, 0.953942537, 0.942763507, 0.931715488,
196   0.920796931, 0.910006344, 0.899342179, 0.888803005, 0.878387332, 0.868093729,
197   0.857920766, 0.847867012, 0.837931097, 0.828111589, 0.818407178, 0.808816493,
198   0.799338162, 0.789970934, 0.780713439, 0.771564424, 0.762522638, 0.753586829,
199   0.744755745, 0.736028135, 0.727402806, 0.718878567, 0.710454226, 0.702128589,
200   0.693900526, 0.685768902, 0.677732527, 0.669790328, 0.66194123,  0.654184103
201 };
202
203 /** Gain bandwidth broadening table */
204 static const float gain_bw_tab[10]={
205   0.90625,     0.821289063, 0.74432373,  0.674499512, 0.61126709,
206   0.553955078, 0.50201416,  0.454956055, 0.41229248,  0.373657227
207 };
208
209 #endif /* FFMPEG_RA288_H */